/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/pubsub/v1/pubsub.proto

package com.google.pubsub.v1;

/**
 *
 *
 * <pre>
 * A snapshot resource. Snapshots are used in
 * [Seek](https://cloud.google.com/pubsub/docs/replay-overview)
 * operations, which allow you to manage message acknowledgments in bulk. That
 * is, you can set the acknowledgment state of messages in an existing
 * subscription to the state captured by a snapshot.
 * </pre>
 *
 * Protobuf type {@code google.pubsub.v1.Snapshot}
 */
public final class Snapshot extends com.google.protobuf.GeneratedMessageV3
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    // @@protoc_insertion_point(message_implements:google.pubsub.v1.Snapshot)
    SnapshotOrBuilder {
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  @SuppressWarnings({"rawtypes"})
  @java.lang.Override
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  /**
   *
   *
   * <pre>
   * The name of the snapshot.
   * </pre>
   *
   * <code>string name = 1;</code>
   *
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   *
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   *
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  /**
   *
   *
   * <pre>
   * The name of the topic from which this snapshot is retaining messages.
   * </pre>
   *
   * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
   *
   * @return The topic.
   */
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  /**
   *
   *
   * <pre>
   * The name of the topic from which this snapshot is retaining messages.
   * </pre>
   *
   * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
   *
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  /**
   *
   *
   * <pre>
   * The snapshot is guaranteed to exist up until this time.
   * A newly-created snapshot expires no later than 7 days from the time of its
   * creation. Its exact lifetime is determined at creation by the existing
   * backlog in the source subscription. Specifically, the lifetime of the
   * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
   * For example, consider a subscription whose oldest unacked message is 3 days
   * old. If a snapshot is created from this subscription, the snapshot -- which
   * will always capture this 3-day-old backlog as long as the snapshot
   * exists -- will expire in 4 days. The service will refuse to create a
   * snapshot that would expire in less than 1 hour after creation.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp expire_time = 3;</code>
   *
   * @return Whether the expireTime field is set.
   */
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  /**
   *
   *
   * <pre>
   * The snapshot is guaranteed to exist up until this time.
   * A newly-created snapshot expires no later than 7 days from the time of its
   * creation. Its exact lifetime is determined at creation by the existing
   * backlog in the source subscription. Specifically, the lifetime of the
   * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
   * For example, consider a subscription whose oldest unacked message is 3 days
   * old. If a snapshot is created from this subscription, the snapshot -- which
   * will always capture this 3-day-old backlog as long as the snapshot
   * exists -- will expire in 4 days. The service will refuse to create a
   * snapshot that would expire in less than 1 hour after creation.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp expire_time = 3;</code>
   *
   * @return The expireTime.
   */
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    return expireTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : expireTime_;
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  /**
   *
   *
   * <pre>
   * The snapshot is guaranteed to exist up until this time.
   * A newly-created snapshot expires no later than 7 days from the time of its
   * creation. Its exact lifetime is determined at creation by the existing
   * backlog in the source subscription. Specifically, the lifetime of the
   * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
   * For example, consider a subscription whose oldest unacked message is 3 days
   * old. If a snapshot is created from this subscription, the snapshot -- which
   * will always capture this 3-day-old backlog as long as the snapshot
   * exists -- will expire in 4 days. The service will refuse to create a
   * snapshot that would expire in less than 1 hour after creation.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp expire_time = 3;</code>
   */
  @java.lang.Override
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  }

  public static final int LABELS_FIELD_NUMBER = 4;

  private static final class LabelsDefaultEntryHolder {
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  private com.google.protobuf.MapField<java.lang.String, java.lang.String> labels_;

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  }

  public int getLabelsCount() {
    return internalGetLabels().getMap().size();
  }
  /**
   *
   *
   * <pre>
   * See [Creating and managing labels]
   * (https://cloud.google.com/pubsub/docs/labels).
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 4;</code>
   */
  @java.lang.Override
  public boolean containsLabels(java.lang.String key) {
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    }
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  }
  /** Use {@link #getLabelsMap()} instead. */
  @java.lang.Override
  @java.lang.Deprecated
  public java.util.Map<java.lang.String, java.lang.String> getLabels() {
    return getLabelsMap();
  }
  /**
   *
   *
   * <pre>
   * See [Creating and managing labels]
   * (https://cloud.google.com/pubsub/docs/labels).
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 4;</code>
   */
  @java.lang.Override
  public java.util.Map<java.lang.String, java.lang.String> getLabelsMap() {
    return internalGetLabels().getMap();
  }
  /**
   *
   *
   * <pre>
   * See [Creating and managing labels]
   * (https://cloud.google.com/pubsub/docs/labels).
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 4;</code>
   */
  @java.lang.Override
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      throw new java.lang.NullPointerException();
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    return map.containsKey(key) ? map.get(key) : defaultValue;
  }
  /**
   *
   *
   * <pre>
   * See [Creating and managing labels]
   * (https://cloud.google.com/pubsub/docs/labels).
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 4;</code>
   */
  @java.lang.Override
  public java.lang.String getLabelsOrThrow(java.lang.String key) {
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    }
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    if (!map.containsKey(key)) {
      throw new java.lang.IllegalArgumentException();
    }
    return map.get(key);
  }

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    if (!internalGetLabels().equals(other.internalGetLabels())) return false;
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  public static com.google.pubsub.v1.Snapshot parseFrom(java.nio.ByteBuffer data)
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  /**
   *
   *
   * <pre>
   * A snapshot resource. Snapshots are used in
   * [Seek](https://cloud.google.com/pubsub/docs/replay-overview)
   * operations, which allow you to manage message acknowledgments in bulk. That
   * is, you can set the acknowledgment state of messages in an existing
   * subscription to the state captured by a snapshot.
   * </pre>
   *
   * Protobuf type {@code google.pubsub.v1.Snapshot}
   */
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      return super.clearOneof(oneof);
    }

    @java.lang.Override
    public Builder setRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
      return super.setRepeatedField(field, index, value);
    }

    @java.lang.Override
    public Builder addRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
      return super.addRepeatedField(field, value);
    }

    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.pubsub.v1.Snapshot) {
        return mergeFrom((com.google.pubsub.v1.Snapshot) other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.pubsub.v1.Snapshot other) {
      if (other == com.google.pubsub.v1.Snapshot.getDefaultInstance()) return this;
      if (!other.getName().isEmpty()) {
        name_ = other.name_;
        onChanged();
      }
      if (!other.getTopic().isEmpty()) {
        topic_ = other.topic_;
        onChanged();
      }
      if (other.hasExpireTime()) {
        mergeExpireTime(other.getExpireTime());
      }
      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
      this.mergeUnknownFields(other.unknownFields);
      onChanged();
      return this;
    }

    @java.lang.Override
    public final boolean isInitialized() {
      return true;
    }

    @java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      com.google.pubsub.v1.Snapshot parsedMessage = null;
      try {
        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        parsedMessage = (com.google.pubsub.v1.Snapshot) e.getUnfinishedMessage();
        throw e.unwrapIOException();
      } finally {
        if (parsedMessage != null) {
          mergeFrom(parsedMessage);
        }
      }
      return this;
    }

    private int bitField0_;

    private java.lang.Object name_ = "";
    /**
     *
     *
     * <pre>
     * The name of the snapshot.
     * </pre>
     *
     * <code>string name = 1;</code>
     *
     * @return The name.
     */
    public java.lang.String getName() {
      java.lang.Object ref = name_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        name_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The name of the snapshot.
     * </pre>
     *
     * <code>string name = 1;</code>
     *
     * @return The bytes for name.
     */
    public com.google.protobuf.ByteString getNameBytes() {
      java.lang.Object ref = name_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        name_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The name of the snapshot.
     * </pre>
     *
     * <code>string name = 1;</code>
     *
     * @param value The name to set.
     * @return This builder for chaining.
     */
    public Builder setName(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }

      name_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The name of the snapshot.
     * </pre>
     *
     * <code>string name = 1;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearName() {

      name_ = getDefaultInstance().getName();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The name of the snapshot.
     * </pre>
     *
     * <code>string name = 1;</code>
     *
     * @param value The bytes for name to set.
     * @return This builder for chaining.
     */
    public Builder setNameBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);

      name_ = value;
      onChanged();
      return this;
    }

    private java.lang.Object topic_ = "";
    /**
     *
     *
     * <pre>
     * The name of the topic from which this snapshot is retaining messages.
     * </pre>
     *
     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
     *
     * @return The topic.
     */
    public java.lang.String getTopic() {
      java.lang.Object ref = topic_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        topic_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The name of the topic from which this snapshot is retaining messages.
     * </pre>
     *
     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
     *
     * @return The bytes for topic.
     */
    public com.google.protobuf.ByteString getTopicBytes() {
      java.lang.Object ref = topic_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        topic_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The name of the topic from which this snapshot is retaining messages.
     * </pre>
     *
     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
     *
     * @param value The topic to set.
     * @return This builder for chaining.
     */
    public Builder setTopic(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }

      topic_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The name of the topic from which this snapshot is retaining messages.
     * </pre>
     *
     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearTopic() {

      topic_ = getDefaultInstance().getTopic();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The name of the topic from which this snapshot is retaining messages.
     * </pre>
     *
     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
     *
     * @param value The bytes for topic to set.
     * @return This builder for chaining.
     */
    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);

      topic_ = value;
      onChanged();
      return this;
    }

    private com.google.protobuf.Timestamp expireTime_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        expireTimeBuilder_;
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     *
     * @return Whether the expireTime field is set.
     */
    public boolean hasExpireTime() {
      return expireTimeBuilder_ != null || expireTime_ != null;
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     *
     * @return The expireTime.
     */
    public com.google.protobuf.Timestamp getExpireTime() {
      if (expireTimeBuilder_ == null) {
        return expireTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : expireTime_;
      } else {
        return expireTimeBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     */
    public Builder setExpireTime(com.google.protobuf.Timestamp value) {
      if (expireTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        expireTime_ = value;
        onChanged();
      } else {
        expireTimeBuilder_.setMessage(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     */
    public Builder setExpireTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (expireTimeBuilder_ == null) {
        expireTime_ = builderForValue.build();
        onChanged();
      } else {
        expireTimeBuilder_.setMessage(builderForValue.build());
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     */
    public Builder mergeExpireTime(com.google.protobuf.Timestamp value) {
      if (expireTimeBuilder_ == null) {
        if (expireTime_ != null) {
          expireTime_ =
              com.google.protobuf.Timestamp.newBuilder(expireTime_).mergeFrom(value).buildPartial();
        } else {
          expireTime_ = value;
        }
        onChanged();
      } else {
        expireTimeBuilder_.mergeFrom(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     */
    public Builder clearExpireTime() {
      if (expireTimeBuilder_ == null) {
        expireTime_ = null;
        onChanged();
      } else {
        expireTime_ = null;
        expireTimeBuilder_ = null;
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     */
    public com.google.protobuf.Timestamp.Builder getExpireTimeBuilder() {

      onChanged();
      return getExpireTimeFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     */
    public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
      if (expireTimeBuilder_ != null) {
        return expireTimeBuilder_.getMessageOrBuilder();
      } else {
        return expireTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : expireTime_;
      }
    }
    /**
     *
     *
     * <pre>
     * The snapshot is guaranteed to exist up until this time.
     * A newly-created snapshot expires no later than 7 days from the time of its
     * creation. Its exact lifetime is determined at creation by the existing
     * backlog in the source subscription. Specifically, the lifetime of the
     * snapshot is `7 days - (age of oldest unacked message in the subscription)`.
     * For example, consider a subscription whose oldest unacked message is 3 days
     * old. If a snapshot is created from this subscription, the snapshot -- which
     * will always capture this 3-day-old backlog as long as the snapshot
     * exists -- will expire in 4 days. The service will refuse to create a
     * snapshot that would expire in less than 1 hour after creation.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp expire_time = 3;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getExpireTimeFieldBuilder() {
      if (expireTimeBuilder_ == null) {
        expireTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getExpireTime(), getParentForChildren(), isClean());
        expireTime_ = null;
      }
      return expireTimeBuilder_;
    }

    private com.google.protobuf.MapField<java.lang.String, java.lang.String> labels_;

    private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetLabels() {
      if (labels_ == null) {
        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
      }
      return labels_;
    }

    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
        internalGetMutableLabels() {
      onChanged();
      ;
      if (labels_ == null) {
        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
      }
      if (!labels_.isMutable()) {
        labels_ = labels_.copy();
      }
      return labels_;
    }

    public int getLabelsCount() {
      return internalGetLabels().getMap().size();
    }
    /**
     *
     *
     * <pre>
     * See [Creating and managing labels]
     * (https://cloud.google.com/pubsub/docs/labels).
     * </pre>
     *
     * <code>map&lt;string, string&gt; labels = 4;</code>
     */
    @java.lang.Override
    public boolean containsLabels(java.lang.String key) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      return internalGetLabels().getMap().containsKey(key);
    }
    /** Use {@link #getLabelsMap()} instead. */
    @java.lang.Override
    @java.lang.Deprecated
    public java.util.Map<java.lang.String, java.lang.String> getLabels() {
      return getLabelsMap();
    }
    /**
     *
     *
     * <pre>
     * See [Creating and managing labels]
     * (https://cloud.google.com/pubsub/docs/labels).
     * </pre>
     *
     * <code>map&lt;string, string&gt; labels = 4;</code>
     */
    @java.lang.Override
    public java.util.Map<java.lang.String, java.lang.String> getLabelsMap() {
      return internalGetLabels().getMap();
    }
    /**
     *
     *
     * <pre>
     * See [Creating and managing labels]
     * (https://cloud.google.com/pubsub/docs/labels).
     * </pre>
     *
     * <code>map&lt;string, string&gt; labels = 4;</code>
     */
    @java.lang.Override
    public java.lang.String getLabelsOrDefault(
        java.lang.String key, java.lang.String defaultValue) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
      return map.containsKey(key) ? map.get(key) : defaultValue;
    }
    /**
     *
     *
     * <pre>
     * See [Creating and managing labels]
     * (https://cloud.google.com/pubsub/docs/labels).
     * </pre>
     *
     * <code>map&lt;string, string&gt; labels = 4;</code>
     */
    @java.lang.Override
    public java.lang.String getLabelsOrThrow(java.lang.String key) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
      if (!map.containsKey(key)) {
        throw new java.lang.IllegalArgumentException();
      }
      return map.get(key);
    }

    public Builder clearLabels() {
      internalGetMutableLabels().getMutableMap().clear();
      return this;
    }
    /**
     *
     *
     * <pre>
     * See [Creating and managing labels]
     * (https://cloud.google.com/pubsub/docs/labels).
     * </pre>
     *
     * <code>map&lt;string, string&gt; labels = 4;</code>
     */
    public Builder removeLabels(java.lang.String key) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      internalGetMutableLabels().getMutableMap().remove(key);
      return this;
    }
    /** Use alternate mutation accessors instead. */
    @java.lang.Deprecated
    public java.util.Map<java.lang.String, java.lang.String> getMutableLabels() {
      return internalGetMutableLabels().getMutableMap();
    }
    /**
     *
     *
     * <pre>
     * See [Creating and managing labels]
     * (https://cloud.google.com/pubsub/docs/labels).
     * </pre>
     *
     * <code>map&lt;string, string&gt; labels = 4;</code>
     */
    public Builder putLabels(java.lang.String key, java.lang.String value) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      if (value == null) {
        throw new java.lang.NullPointerException();
      }
      internalGetMutableLabels().getMutableMap().put(key, value);
      return this;
    }
    /**
     *
     *
     * <pre>
     * See [Creating and managing labels]
     * (https://cloud.google.com/pubsub/docs/labels).
     * </pre>
     *
     * <code>map&lt;string, string&gt; labels = 4;</code>
     */
    public Builder putAllLabels(java.util.Map<java.lang.String, java.lang.String> values) {
      internalGetMutableLabels().getMutableMap().putAll(values);
      return this;
    }

    @java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }

    // @@protoc_insertion_point(builder_scope:google.pubsub.v1.Snapshot)
  }

  // @@protoc_insertion_point(class_scope:google.pubsub.v1.Snapshot)
  private static final com.google.pubsub.v1.Snapshot DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.pubsub.v1.Snapshot();
  }

  public static com.google.pubsub.v1.Snapshot getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<Snapshot> PARSER =
      new com.google.protobuf.AbstractParser<Snapshot>() {
        @java.lang.Override
        public Snapshot parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
          return new Snapshot(input, extensionRegistry);
        }
      };

  public static com.google.protobuf.Parser<Snapshot> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<Snapshot> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.pubsub.v1.Snapshot getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
